diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 7b14b01..f1f337e 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -6,7 +6,7 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.2.2
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
       - uses: pre-commit/action@v3.0.1
 
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
 
       - name: Setup conda environment
         uses: conda-incubator/setup-miniconda@v3
diff --git a/.github/workflows/testing.yaml b/.github/workflows/testing.yaml
index e659e19..be2a0cd 100644
--- a/.github/workflows/testing.yaml
+++ b/.github/workflows/testing.yaml
@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.13"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       #- name: Set up Python
       #  uses: actions/setup-python@v5
       #  with: